Kreg SML-C250S5-50 Stainless Steel Pocket Hole Screws - 2 1/2", Coarse, Washer Head, 50 count Great for outdoor applications Thicker fillet radius under the head reduces the possibility of the head twisting off Large Maxi-Loc Head stops when it hits the bottom of the hole Needle sharp point minimizes walking Sharp edge of self-tapping tip drills a cleaner pilot hole